---------------- SOLUTION ------------------- solution cost : 1026.6 number of trips : 14 trip 1, 5 customers, sequence : 28 61 22 64 42 weight : 95 volume : 5 trip cost : 105.443 trip 2, 7 customers, sequence : 63 23 56 41 43 1 73 weight : 100 volume : 7 trip cost : 84.5922 trip 3, 5 customers, sequence : 58 38 10 31 72 weight : 97 volume : 5 trip cost : 86.7811 trip 4, 6 customers, sequence : 39 25 55 18 50 32 weight : 100 volume : 6 trip cost : 95.0367 trip 5, 8 customers, sequence : 36 69 71 60 70 20 37 29 weight : 96 volume : 8 trip cost : 103.067 trip 6, 4 customers, sequence : 14 59 53 26 weight : 95 volume : 4 trip cost : 78.8732 trip 7, 5 customers, sequence : 45 27 52 8 46 weight : 100 volume : 5 trip cost : 47.9198 trip 8, 5 customers, sequence : 74 21 47 48 30 weight : 99 volume : 5 trip cost : 62.1003 trip 9, 6 customers, sequence : 51 16 49 24 44 3 weight : 91 volume : 6 trip cost : 73.3929 trip 10, 4 customers, sequence : 65 66 11 7 weight : 98 volume : 4 trip cost : 76.1365 trip 11, 4 customers, sequence : 67 34 4 75 weight : 99 volume : 4 trip cost : 26.2266 trip 12, 7 customers, sequence : 5 15 57 13 54 19 35 weight : 96 volume : 7 trip cost : 87.5693 trip 13, 4 customers, sequence : 17 40 9 12 weight : 98 volume : 4 trip cost : 48.744 trip 14, 5 customers, sequence : 6 33 62 2 68 weight : 100 volume : 5 trip cost : 50.7162